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Finding the Fourth Proportional to 572,562.40, 858,843.60 and 336,366.40

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Solution

The fourth proportional to 572,562.40, 858,843.60 and 336,366.40 is: 504,549.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,562.40 : 858,843.60 = 336,366.40 : x
  2. Step 2: Convert to fraction form
    572,562.40/858,843.60 = 336,366.40/x
  3. Step 3: Cross multiply
    572,562.40x = 858,843.60 × 336,366.40
  4. Step 4: Simplify right side
    572,562.40x = 288,886,129,895.04
  5. Step 5: Solve for x
    x = 288,886,129,895.04/572,562.40
  6. Step 6: Final answer
    x = 504,549.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.